Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
SMC
21-VQ121
SMC 21-VQ121 — 10-21-VQ11 Base Mounted Plug Lead Unit Valves Clean Series
The SMC 21-VQ121 is an official catalog model belonging to the 10/21-VQ Clean Room Valve series, specified as a copper, fluorine, and silicon-free unit designed for low particle generation. This VQ1 configuration features a 2-position double actuation mechanism paired with a metal or rubber seal type, a standard, high-pressure, negative COM, or low wattage function, and a 24 VDC or 12 VDC coil voltage with light and surge voltage suppressor. Electrical entries include plug connectors with or without lead wires, complemented by non-locking push or locking manual overrides requiring a tool or manual adjustment. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this SMC component.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued SMC references — within one business day.
- Manufacturer
- SMC
- Part number
- 21-VQ121
- Product series
- 10/21-VQ Clean Room Valve
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 21-VQ121.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- 1
- 1
- Product Series
- 10/21-VQ Clean Room Valve
- Configuration Status
- Official catalog model
- Clean Series
- 10 (Clean Room), 21 (Copper, Fluorine and Silicon-free + Low Particle Generation)
- -
- -
- VQ1
- VQ1
- Actuation
- 1 (2 Position Single), 2 (2 Position Double), 3 (3 Position Closed Center), 4 (3 Position Exhaust Center), 5 (3 Position Pressure Center)
- Seal Type
- 0 (Metal Seal), 1 (Rubber Seal)
- Function
- Standard Type (1W), H (High Pressure Type, 1.5W), N (Negative COM), Y (Low Wattage Type, 0.5W)
- Coil Voltage
- 5 (24 VDC, w/Light/Surge Voltage Suppressor), 6 (12 VDC, w/Light/Surge Voltage Suppressor)
- Electrical Entry
- L (Plug Connector w/Lead Wire), LO (Plug Connector w/o Connector)
- Manual Override
- Non-locking Push Type, Tool Required, B (Locking Type, Tool Required), C (Locking Type, Manual)
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against SMC 21-VQ121. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.